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7racc Analysis Laboratory, Irrt. <br /> 3423 investment Boulevard, x8 • Hayward, Calrfornia 94545 (415) 783-6960 <br /> DATE: 4/27/89 <br /> LOG NO. : 7284 <br /> DATE SAMPLED: 4/17/89 <br /> DATE RECEIVED: 4/19/89 <br /> } <br /> CUSTOMER: Versar, Inc. <br /> REQUESTER: Kayo Dokken <br /> PROJECT: No. 6147.323, Uly <br /> Sample Type: Soil <br /> BH1-20 BH2-20 BH3-20 <br /> Method and Concen- Detection Concen- Detection Concen- Detection <br /> Constituent Units tration Limit tration Limit tration Limit <br /> DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline ug/kg < 200 200 350 200 < 200 200 <br /> Modified EPA Method 8020: <br /> Benzene ug/kg < 10 10 83 20 < 10 10 <br /> Toluene ug/kg < 8 8 < 20 20 < 8 8 <br /> Xylenes ug/kg < 60 60 < 40 40 < 40 40 <br /> Ethyl Benzene ug/kg < 20 20 < 30 30 < 30 30 <br /> - Dan Farah, Ph.D. <br /> Supervisory Chemist <br /> DF, kl <br />